Table 5.
Comparison of biotic and abiotic qualities of bait deployment sites on defined island and colony types used in this study.
| Feature | Ardea Islands | Egretta Islands | Inactive Islands | Active Islands | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | Range | Mean | Range | Mean | Range | Mean | Range | |
| Distance to Water (meters) | 6.60 ± 9.81 | 0.1375–26.74 | 3.12 ± 4.58 | 0.61–5.91 | 18.02 ± 20.88 | 0.54–30.07 | 6.09 ± 9.31 | 0.14–26.74 |
| Local Density (nests/100 m2) | 2.73 ± 2.61 | 0.5–6.4 | 5.58 ± 3.05 | 0.75–4.67 | 0 ± 0 | 0–0 | 3.15 ± 2.86 | 0.5–6.4 |
| Area (square meters) | 11,816.86 ± 16,092.32 | 2,428.6–36,210.77 | 1,554.79 ± 2,697.77 | 982.11–5,903.98 | 16,255.28 ± 21,387.69 | 6,387.52–52,410.98 | 11,915.52 ± 14,144.02 | 982.11–36,210.77 |
| Colony Size (number of nests) | 144.91 ± 76.92 | 16–254 | 56.83 ± 19.03 | 30–88 | 0 ± 0 | 0–0 | 132.10 ± 77.93 | 16–254 |
| Vegetation Density (stems/area) | 1.76 ± 0.95 | 0.45–3.50 | 5.84 ± 2.66 | 2.23–10.03 | 1.17 ± 0.63 | 0.76–2.26 | 2.71 ± 2.28 | 0.45–10.03 |
Values are expressed as average ± standard deviation. Active islands include Ardea and Egretta heron colony types. Inactive islands are islands with no nesting birds.